I bought a cheap knock off DISA for my E39 that lasted about a year. The flap, Pin and diaphragm all broke. Luckily I kept my original part as I knew about this kit, just wanted to go cheaper at first. A common saying for E39 repairs is "buy cheap, buy twice". The re-build kit was easy to do and can tell it will last.
Verified purchase: Yes | Condition: New
Very impressed with x8r products. Very easy to fit great quality and tutorials online that are very easy to follow. Would love to see their solutions for lots of other brands of cars and common faults/weak parts.
Verified purchase: Yes | Condition: New
Nicely made parts that fit well. The fitting video showed the supplied grease and thread lock being applied to some surprising locations if they're to do the job, plus - it seems the one they used as an example was in good working order rather than in need of repair (the steel pin was rolling around inside the manifold on mine, and definitely didn't need to be pried out). A torque setting would be useful, as would some better advice on getting the original pin out of the blade. HTH.
Verified purchase: Yes | Condition: New
Well engineered, looks good and was easy enough to install. Instead of one of the small cups JB Welds threadlock was included which seemed like a nice touch. I was missing a installation sheet but there is only so many ways one could fit it and there is howto:s on YouTube made by x8r. All in all. Would definitely buy this again if I buy another m54 equipped car. Since this upgrade would outlast my current car.
Verified purchase: Yes | Condition: New
Very pleased. Easy DIY. Despite the fact that my existing valve appeared and felt extremely good, once replaced with X8R the dash error light disappeared and has not come back yet. Note: If your existing valve is good (as mine) and it is not falling apart may be difficult to disassemble it.
Verified purchase: Yes | Condition: New
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